The Piaggio NRG is a scooter made by Piaggio since 1994. DD stands for " Double Disc"); NRG Power PureJet / NRG mc3 PureJet (direct fuel Twist and Go (automatic transmission) Scooters 50 to 250 cc: Service and Repair Manual. Complete coverage for your vehicle. Written from hands-on experience gained from the complete strip-down and rebuild of a Piaggio NRG Power DT 50, Haynes can help you understand, care for and repair your Piaggio NRG Power DT 50. 150 4t 2006-2012 (searchable, Printable, Bookmarked, Ipad-ready Pdf) Piaggio Nrg Power DD Scooter Service Repair Manual, Nrg Power Dt ZIP 50 2T Scooter pdf manual download. Scooter PIAGGIO NRG POWER PUREJET User Manual Scooter PIAGGIO 633823 Service Station Manual. Piaggio Nrg Power Manual. A factory Piaggio Vespa PDF